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CA922862A - Magnetic head structure and process - Google Patents

Magnetic head structure and process

Info

Publication number
CA922862A
CA922862A CA106691A CA106691A CA922862A CA 922862 A CA922862 A CA 922862A CA 106691 A CA106691 A CA 106691A CA 106691 A CA106691 A CA 106691A CA 922862 A CA922862 A CA 922862A
Authority
CA
Canada
Prior art keywords
magnetic head
head structure
magnetic
head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA106691A
Inventor
I. Moss Herbert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
Original Assignee
RCA Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of CA922862A publication Critical patent/CA922862A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9265—Special properties
    • Y10S428/928—Magnetic property
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49034—Treating to affect magnetic properties

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Soft Magnetic Materials (AREA)
CA106691A 1970-04-03 1971-03-02 Magnetic head structure and process Expired CA922862A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2546570A 1970-04-03 1970-04-03

Publications (1)

Publication Number Publication Date
CA922862A true CA922862A (en) 1973-03-20

Family

ID=21826216

Family Applications (1)

Application Number Title Priority Date Filing Date
CA106691A Expired CA922862A (en) 1970-04-03 1971-03-02 Magnetic head structure and process

Country Status (2)

Country Link
US (1) US3661570A (en)
CA (1) CA922862A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3739445A (en) * 1970-12-29 1973-06-19 Chromalloy American Corp Powder metal magnetic pole piece
JPS5638671B2 (en) * 1972-11-16 1981-09-08
US3943570A (en) * 1973-09-28 1976-03-09 Hitachi, Ltd. Semiconductor magnetic head
JPS5241509A (en) * 1975-09-29 1977-03-31 Canon Inc Magnetic head
JPS5271311A (en) * 1975-12-11 1977-06-14 Nippon Musical Instruments Mfg Method of producing ironnsiliconnaluminium alloy
US4069043A (en) * 1976-01-19 1978-01-17 Carpenter Technology Corporation Wear-resistant shaped magnetic article and process for making the same
US4029501A (en) * 1976-01-26 1977-06-14 Rca Corporation Method of preparing improved magnetic head material
US4177089A (en) * 1976-04-27 1979-12-04 The Arnold Engineering Company Magnetic particles and compacts thereof
US4217613A (en) * 1978-11-06 1980-08-12 Rca Corporation Magnetic transducer head core
US4532737A (en) * 1982-12-16 1985-08-06 Rca Corporation Method for lapping diamond
JPS6074104A (en) * 1983-09-29 1985-04-26 Alps Electric Co Ltd Digital magnetic head
US4564401A (en) * 1983-09-29 1986-01-14 Crucible Materials Corporation Method for producing iron-silicon alloy articles
JPH0652684B2 (en) * 1984-07-19 1994-07-06 ソニー株式会社 Magnetic alloy thin film

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2864734A (en) * 1958-12-16 Magnetic flake core and method of
SU109085A1 (en) * 1956-10-30 1956-11-30 Л.И. Вирин Method for chemical oxidation of aluminum powder
US2873225A (en) * 1957-05-20 1959-02-10 Adams Edmond Magnetic flake core

Also Published As

Publication number Publication date
US3661570A (en) 1972-05-09

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